Barium tungstate (BaWO₄) is a dense inorganic ceramic compound belonging to the scheelite family of tungstates, characterized by its high atomic number constituents that confer excellent radiation absorption properties. It is primarily used in medical imaging (X-ray scintillation detectors), high-energy physics instrumentation, and specialized optical applications where dense, efficient photon conversion is required. BaWO₄ is valued over lighter alternatives because its tungsten content enables superior stopping power for gamma rays and X-rays while maintaining good scintillation efficiency, making it the material of choice for precision radiation detection systems in both clinical and research settings.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 63.74 | GPa | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 27.97 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 6.213 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.659 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 45.50 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.1748 | C/m² | — | ||
Seebeck Coefficient(S) | -247.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.829 | eV/atom | — |